# print("111")
# print("122")

list = [

    {"ins": "1"},
    {"ins": "1"}
    ,
    {"ins": "2"}
    , {"ins": "2"}
    , {"ins": "3"}
]

l1= []
l2=[]
for item in list:
    if item["ins"] in l1:
        l2.append(item["ins"])
    else:
        l1.append(item["ins"])

print(l1)
print(l2)